/*#############################################################

Name: Niceforms

Version: 0.9

Author: Lucian Slatineanu

URL: http://www.badboy.ro/



Feel free to use and modify but please provide credits.

#############################################################*/



//global variables that can be used by all the functions on this page.

var selects;

var inputs;

var radios = new Array();

var checkboxes = new Array();

var hovers = new Array();

var buttons = new Array();

var selectText = "please select";



//this function runs when the page is loaded so put all your other onload stuff in here too.

function init() {

	

	//check if styles are enabled and only then start replacing elements

	if(findPosX(document.getElementById('stylesheetTest')) == -999) {

		replaceSelects();

		replaceRadios();

		replaceCheckboxes();

	}

	hoverEffects();

	buttonHovers();

}



function replaceRadios() {

	//get all the radio buttons on the page

	var inputs = document.getElementsByTagName('input');

	var j = 0;

	for(var i=0; i < inputs.length; i++) {

		if(inputs[i].type=='radio') {

			radios[j] = inputs[i];

			++j;

		}

	}

	

	//cycle through the radio inputs

	for(var i=0; i <radios.length; i++) {

		

		//make them transparent

		radios[i].className = "transparent";

		

		//get their position

		var x = findPosX(radios[i]);

		var y = findPosY(radios[i]);

		

		//build new div

		var radioArea = document.createElement('div');

		if(radios[i].checked) {radios[i].nextSibling.className = "chosen"; radioArea.className = "radioAreaChecked";}

		else if(!radios[i].checked) {radioArea.className = "radioAreaUnchecked";}

		radioArea.style.left = x + 'px';

		radioArea.style.top = y + 'px';

		radioArea.id = 'myRadio'+i;

		radios[i].onclick = new Function('checkRadio('+i+')');

		

		//insert div

		document.getElementsByTagName("body")[0].appendChild(radioArea);

	}

}



function replaceCheckboxes() {

	//get all the checkboxes on the page

	var inputs = document.getElementsByTagName('input');

	var j = 0;

	for (var i2=0; i2 < inputs.length; i2++) {

		if(inputs[i2].type=='checkbox') {

			checkboxes[j] = inputs[i2];

			++j;

		}

	}



	//cycle through the checkboxes

	for(var i2=0; i2 < checkboxes.length; i2++) {



		//make them transparent

		checkboxes[i2].className = "transparent";



		//get their position

		var x = findPosX(checkboxes[i2]);

		var y = findPosY(checkboxes[i2]);



		//build new div

		var checkboxArea = document.createElement('div');

		if(checkboxes[i2].checked) {checkboxes[i2].nextSibling.className = "chosen"; checkboxArea.className = "checkboxAreaChecked";}

		else if(!checkboxes[i2].checked) {checkboxArea.className = "checkboxAreaUnchecked";}

		checkboxArea.style.left = x + 'px';

		checkboxArea.style.top = y + 'px';

		checkboxArea.id = 'myCheck'+i2;

		checkboxes[i2].onclick = new Function('checkCheck('+i2+')');



		//insert div

		document.getElementsByTagName("body")[0].appendChild(checkboxArea);

	}

}



function replaceSelects() {

	//get all the select fields on the page

    selects = document.getElementsByTagName('select');

	

	//cycle trough the select fields

    for(var i=0; i < selects.length; i++) {

		

		//create and build div structure

		var selectArea = document.createElement('div');

		var left = document.createElement('div');

		var right = document.createElement('div');

		var center = document.createElement('div');

		var button = document.createElement('a');

		var text = document.createTextNode(selectText);

		center.id = "mySelectText"+i;

		button.href="javascript:showOptions("+i+")";

		selectArea.className = "selectArea";

		left.className = "left";

		right.className = "right";

		center.className = "center";

		right.appendChild(button);

		center.appendChild(text);

		selectArea.appendChild(left);

		selectArea.appendChild(right);

		selectArea.appendChild(center);

		

		//hide the select field

        selects[i].style.display='none'; 

		

		//insert select div

		selects[i].parentNode.insertBefore(selectArea, selects[i]);

		

		//build & place options div

		var optionsDiv = document.createElement('div');

		optionsDiv.className = "optionsDivInvisible";

		optionsDiv.id = "optionsDiv"+i;

		optionsDiv.style.left = findPosX(selectArea) + 'px';

		optionsDiv.style.top = findPosY(selectArea) + 19 + 'px';

		

		//get select's options and add to options div

		for(var j=0; j < selects[i].options.length; j++) {

			var optionHolder = document.createElement('p');

			var optionLink = document.createElement('a');

			var optionTxt = document.createTextNode(selects[i].options[j].text);

			optionLink.href = "javascript:showOptions("+i+"); selectMe('"+selects[i].id+"',"+j+","+i+");";

			optionLink.appendChild(optionTxt);

			optionHolder.appendChild(optionLink);

			optionsDiv.appendChild(optionHolder);

		}

		

		//insert options div

		document.getElementsByTagName("body")[0].appendChild(optionsDiv);

	}

}



function showOptions(g) {

		elem = document.getElementById("optionsDiv"+g);

		if(elem.className=="optionsDivInvisible") {elem.className = "optionsDivVisible";}

		else if(elem.className=="optionsDivVisible") {elem.className = "optionsDivInvisible";}

}



function selectMe(selectFieldId,linkNo,selectNo) {

	//feed selected option to the actual select field

	selectField = document.getElementById(selectFieldId);

	for(var k = 0; k < selectField.options.length; k++) {

		if(k==linkNo) {

			selectField.options[k].selected = "selected";

		}

		else {

			selectField.options[k].selected = "";

		}

	}

	//show selected option

	textVar = document.getElementById("mySelectText"+selectNo);

	var newText = document.createTextNode(selectField.options[linkNo].value);

	textVar.replaceChild(newText, textVar.childNodes[0]);

}



function findPosY(obj) {

	var posTop = 0;

	while (obj.offsetParent) {

		posTop += obj.offsetTop;

		obj = obj.offsetParent;

	}

	return posTop;

}

function findPosX(obj) {

	var posLeft = 0;

	while (obj.offsetParent) {

		posLeft += obj.offsetLeft;

		obj = obj.offsetParent;

	}

	return posLeft;

}



function checkRadio(g) {

	if(radios[g].checked) {

		for (var k = 0; k < radios.length; k++)

		{

			if(k != g) {

				document.getElementById('myRadio'+k).className = "radioAreaUnchecked";

				radios[k].nextSibling.className = "";

			}

			else if(k == g) {

				document.getElementById('myRadio'+k).className = "radioAreaChecked";

				radios[g].nextSibling.className = "chosen";

			}

		}

	}

	else if(!radios[g].checked) {document.getElementById('myRadio'+g).className = "radioAreaUnchecked"; radios[g].nextSibling.className = "";}

}



function checkCheck(g) {

	if(checkboxes[g].checked) {

		for(var k = 0; k < checkboxes.length; k++) {

			if(k == g) {

				document.getElementById('myCheck'+k).className = "checkboxAreaChecked";

				checkboxes[g].nextSibling.className = "chosen";

			}

		}

	}

	else if(!checkboxes[g].checked) {

		document.getElementById('myCheck'+g).className = "checkboxAreaUnchecked";

		checkboxes[g].nextSibling.className = "";

	}

}



function hoverEffects() {

	//get all elements (text inputs, passwords inputs, textareas)

	var elements = document.getElementsByTagName('input');

	var j = 0;

	for (var i4 = 0; i4 < elements.length; i4++) {

		if((elements[i4].type=='text')||(elements[i4].type=='password')) {

			hovers[j] = elements[i4];

			++j;

		}

	}

	elements = document.getElementsByTagName('textarea');

	for (var i4 = 0; i4 < elements.length; i4++) {

		hovers[j] = elements[i4];

		++j;

	}

	

	//add focus effects

	for (var i4 = 0; i4 < hovers.length; i4++) {

		hovers[i4].onfocus = function() {this.className += "Hovered";}

		hovers[i4].onblur = function() {this.className = this.className.replace(/Hovered/g, "");}

	}

}



function buttonHovers() {

	//get all buttons

	var elements = document.getElementsByTagName('input');

	var j = 0;

	for (var i5 = 0; i5 < elements.length; i5++) {

		if(elements[i5].type=='submit') {

			buttons[j] = elements[i5];

			++j;

		}

	}

	

	//add hover effects

	for (var i5 = 0; i5 < buttons.length; i5++) {

		buttons[i5].onmouseover = function() {this.className += "Hovered";}

		buttons[i5].onmouseout = function() {this.className = this.className.replace(/Hovered/g, "");}

	}

}





window.onload = init;